Hours, minutes, seconds, 24-hour time, perpetual calendar, and moon phase indicator are the things that this 18K rose gold A. Lange & Sohne Langematik Perpetual watch informs the wearer. Hours and minutes is through central hands, date via a double-digit display at 12 o’clock, 24-hour time and day of the week via a subdial at 9 o’clock, small seconds and moon phases via a subdial at 6 o’clock, and months through a 3 o’clock subdial. The case has a transparent back and is made from 18K rose gold while its strap is made of brown crocodile leather.